static VALUE rb_git_index_get(VALUE self, VALUE entry) { git_index *index; Data_Get_Struct(self, git_index, index); if (TYPE(entry) == T_STRING) entry = INT2FIX(git_index_find(index, RSTRING_PTR(entry))); Check_Type(entry, T_FIXNUM); return rb_git_indexentry_new(git_index_get(index, FIX2INT(entry))); }
PyObject * IndexIter_iternext(IndexIter *self) { git_index_entry *index_entry; index_entry = git_index_get(self->owner->index, self->i); if (!index_entry) return NULL; self->i += 1; return wrap_index_entry(index_entry, self->owner); }
int cmd_ls_files(int argc, const char **argv) { /* Delete the following line once git tests pass */ please_git_do_it_for_me(); int show_cached = 1; /* options parsing */ if (argc > 1) { if (argc > 2) please_git_do_it_for_me(); if (strcmp(argv[1], "--stage") == 0 || strcmp(argv[1], "-s") == 0) show_cached = 0; else if (strcmp(argv[1], "--cached") == 0 || strcmp(argv[1], "-c") == 0) show_cached = 1; else please_git_do_it_for_me(); } git_repository *repo = get_git_repository(); git_index *index_cur; int e = git_repository_index(&index_cur, repo); if (e) libgit_error(); char buf[GIT_OID_HEXSZ+1]; const char *prefix = get_git_prefix(); size_t prefix_len = strlen(prefix); for (unsigned i = 0; i < git_index_entrycount(index_cur); i++) { git_index_entry *gie = git_index_get(index_cur, i); if (prefixcmp(gie->path, prefix)) continue; if (!show_cached) printf("%06o %s %i\t", gie->mode, git_oid_tostr(buf, GIT_OID_HEXSZ+1, &gie->oid), git_index_entry_stage(gie)); write_name_quoted(gie->path + prefix_len, stdout, '\n'); } git_index_free(index_cur); return EXIT_SUCCESS; }
static unsigned int find_next_dir(const char *dirname, git_index *index, unsigned int start) { unsigned int i, entries = git_index_entrycount(index); size_t dirlen; dirlen = strlen(dirname); for (i = start; i < entries; ++i) { git_index_entry *entry = git_index_get(index, i); if (strlen(entry->path) < dirlen || memcmp(entry->path, dirname, dirlen) || (dirlen > 0 && entry->path[dirlen] != '/')) { break; } } return i; }
int cmd_write_tree(int argc, const char **argv) { please_git_do_it_for_me(); int verify_index = 1; if (argc == 1) verify_index = 1; else if (argc == 2 && strcmp(argv[1], "--missing-ok") == 0 ) verify_index = 0; else please_git_do_it_for_me(); char sha1buf[GIT_OID_HEXSZ + 1]; git_repository *repo = get_git_repository(); git_index *index_cur; int e = git_repository_index(&index_cur, repo); if(e != GIT_OK) libgit_error(); /* check the index */ if (verify_index) { git_odb * odb; git_repository_odb(&odb, repo); for (unsigned i = 0; i < git_index_entrycount(index_cur); i++) { git_index_entry *gie = git_index_get(index_cur, i); if (git_odb_exists(odb, &gie->oid) != 1) { printf("error: invalid object %06o %s for '%s'\n", gie->mode, git_oid_tostr(sha1buf, GIT_OID_HEXSZ+1, &gie->oid), gie->path); printf("fatal: git-write-tree: error building trees\n"); return EXIT_FAILURE; } } } /* create the tree */ git_oid oid; e = git_tree_create_fromindex(&oid, index_cur); if(e != GIT_OK) libgit_error(); printf("%s\n", git_oid_tostr(sha1buf, GIT_OID_HEXSZ+1, &oid)); return EXIT_SUCCESS; }
PyObject * Index_getitem(Index *self, PyObject *value) { int idx; git_index_entry *index_entry; idx = Index_get_position(self, value); if (idx == -1) return NULL; index_entry = git_index_get(self->index, idx); if (!index_entry) { PyErr_SetObject(PyExc_KeyError, value); return NULL; } return wrap_index_entry(index_entry, self); }
void test_index_tests__add(void) { git_index *index; git_filebuf file = GIT_FILEBUF_INIT; git_repository *repo; git_index_entry *entry; git_oid id1; /* Intialize a new repository */ cl_git_pass(git_repository_init(&repo, "./myrepo", 0)); /* Ensure we're the only guy in the room */ cl_git_pass(git_repository_index(&index, repo)); cl_assert(git_index_entrycount(index) == 0); /* Create a new file in the working directory */ cl_git_pass(git_futils_mkpath2file("myrepo/test.txt", 0777)); cl_git_pass(git_filebuf_open(&file, "myrepo/test.txt", 0)); cl_git_pass(git_filebuf_write(&file, "hey there\n", 10)); cl_git_pass(git_filebuf_commit(&file, 0666)); /* Store the expected hash of the file/blob * This has been generated by executing the following * $ echo "hey there" | git hash-object --stdin */ cl_git_pass(git_oid_fromstr(&id1, "a8233120f6ad708f843d861ce2b7228ec4e3dec6")); /* Add the new file to the index */ cl_git_pass(git_index_add(index, "test.txt", 0)); /* Wow... it worked! */ cl_assert(git_index_entrycount(index) == 1); entry = git_index_get(index, 0); /* And the built-in hashing mechanism worked as expected */ cl_assert(git_oid_cmp(&id1, &entry->oid) == 0); git_index_free(index); git_repository_free(repo); }
int main (int argc, char** argv) { // ### Opening the Repository // There are a couple of methods for opening a repository, this being the simplest. // There are also [methods][me] for specifying the index file and work tree locations, here // we are assuming they are in the normal places. // // [me]: http://libgit2.github.com/libgit2/#HEAD/group/repository git_repository *repo; if (argc > 1) { git_repository_open(&repo, argv[1]); } else { git_repository_open(&repo, "/opt/libgit2-test/.git"); } // ### SHA-1 Value Conversions // For our first example, we will convert a 40 character hex value to the 20 byte raw SHA1 value. printf("*Hex to Raw*\n"); char hex[] = "fd6e612585290339ea8bf39c692a7ff6a29cb7c3"; // The `git_oid` is the structure that keeps the SHA value. We will use this throughout the example // for storing the value of the current SHA key we're working with. git_oid oid; git_oid_fromstr(&oid, hex); // Once we've converted the string into the oid value, we can get the raw value of the SHA. printf("Raw 20 bytes: [%.20s]\n", (&oid)->id); // Next we will convert the 20 byte raw SHA1 value to a human readable 40 char hex value. printf("\n*Raw to Hex*\n"); char out[41]; out[40] = '\0'; // If you have a oid, you can easily get the hex value of the SHA as well. git_oid_fmt(out, &oid); printf("SHA hex string: %s\n", out); // ### Working with the Object Database // **libgit2** provides [direct access][odb] to the object database. // The object database is where the actual objects are stored in Git. For // working with raw objects, we'll need to get this structure from the // repository. // [odb]: http://libgit2.github.com/libgit2/#HEAD/group/odb git_odb *odb; git_repository_odb(&odb, repo); // #### Raw Object Reading printf("\n*Raw Object Read*\n"); git_odb_object *obj; git_otype otype; const unsigned char *data; const char *str_type; int error; // We can read raw objects directly from the object database if we have the oid (SHA) // of the object. This allows us to access objects without knowing thier type and inspect // the raw bytes unparsed. error = git_odb_read(&obj, odb, &oid); // A raw object only has three properties - the type (commit, blob, tree or tag), the size // of the raw data and the raw, unparsed data itself. For a commit or tag, that raw data // is human readable plain ASCII text. For a blob it is just file contents, so it could be // text or binary data. For a tree it is a special binary format, so it's unlikely to be // hugely helpful as a raw object. data = (const unsigned char *)git_odb_object_data(obj); otype = git_odb_object_type(obj); // We provide methods to convert from the object type which is an enum, to a string // representation of that value (and vice-versa). str_type = git_object_type2string(otype); printf("object length and type: %d, %s\n", (int)git_odb_object_size(obj), str_type); // For proper memory management, close the object when you are done with it or it will leak // memory. git_odb_object_free(obj); // #### Raw Object Writing printf("\n*Raw Object Write*\n"); // You can also write raw object data to Git. This is pretty cool because it gives you // direct access to the key/value properties of Git. Here we'll write a new blob object // that just contains a simple string. Notice that we have to specify the object type as // the `git_otype` enum. git_odb_write(&oid, odb, "test data", sizeof("test data") - 1, GIT_OBJ_BLOB); // Now that we've written the object, we can check out what SHA1 was generated when the // object was written to our database. git_oid_fmt(out, &oid); printf("Written Object: %s\n", out); // ### Object Parsing // libgit2 has methods to parse every object type in Git so you don't have to work directly // with the raw data. This is much faster and simpler than trying to deal with the raw data // yourself. // #### Commit Parsing // [Parsing commit objects][pco] is simple and gives you access to all the data in the commit // - the // author (name, email, datetime), committer (same), tree, message, encoding and parent(s). // [pco]: http://libgit2.github.com/libgit2/#HEAD/group/commit printf("\n*Commit Parsing*\n"); git_commit *commit; git_oid_fromstr(&oid, "f0877d0b841d75172ec404fc9370173dfffc20d1"); error = git_commit_lookup(&commit, repo, &oid); const git_signature *author, *cmtter; const char *message; time_t ctime; unsigned int parents, p; // Each of the properties of the commit object are accessible via methods, including commonly // needed variations, such as `git_commit_time` which returns the author time and `_message` // which gives you the commit message. message = git_commit_message(commit); author = git_commit_author(commit); cmtter = git_commit_committer(commit); ctime = git_commit_time(commit); // The author and committer methods return [git_signature] structures, which give you name, email // and `when`, which is a `git_time` structure, giving you a timestamp and timezone offset. printf("Author: %s (%s)\n", author->name, author->email); // Commits can have zero or more parents. The first (root) commit will have no parents, most commits // will have one, which is the commit it was based on, and merge commits will have two or more. // Commits can technically have any number, though it's pretty rare to have more than two. parents = git_commit_parentcount(commit); for (p = 0;p < parents;p++) { git_commit *parent; git_commit_parent(&parent, commit, p); git_oid_fmt(out, git_commit_id(parent)); printf("Parent: %s\n", out); git_commit_free(parent); } // Don't forget to close the object to prevent memory leaks. You will have to do this for // all the objects you open and parse. git_commit_free(commit); // #### Writing Commits // // libgit2 provides a couple of methods to create commit objects easily as well. There are four // different create signatures, we'll just show one of them here. You can read about the other // ones in the [commit API docs][cd]. // [cd]: http://libgit2.github.com/libgit2/#HEAD/group/commit printf("\n*Commit Writing*\n"); git_oid tree_id, parent_id, commit_id; git_tree *tree; git_commit *parent; // Creating signatures for an authoring identity and time is pretty simple - you will need to have // this to create a commit in order to specify who created it and when. Default values for the name // and email should be found in the `user.name` and `user.email` configuration options. See the `config` // section of this example file to see how to access config values. git_signature_new((git_signature **)&author, "Scott Chacon", "*****@*****.**", 123456789, 60); git_signature_new((git_signature **)&cmtter, "Scott A Chacon", "*****@*****.**", 987654321, 90); // Commit objects need a tree to point to and optionally one or more parents. Here we're creating oid // objects to create the commit with, but you can also use git_oid_fromstr(&tree_id, "28873d96b4e8f4e33ea30f4c682fd325f7ba56ac"); git_tree_lookup(&tree, repo, &tree_id); git_oid_fromstr(&parent_id, "f0877d0b841d75172ec404fc9370173dfffc20d1"); git_commit_lookup(&parent, repo, &parent_id); // Here we actually create the commit object with a single call with all the values we need to create // the commit. The SHA key is written to the `commit_id` variable here. git_commit_create_v( &commit_id, /* out id */ repo, NULL, /* do not update the HEAD */ author, cmtter, NULL, /* use default message encoding */ "example commit", tree, 1, parent); // Now we can take a look at the commit SHA we've generated. git_oid_fmt(out, &commit_id); printf("New Commit: %s\n", out); // #### Tag Parsing // You can parse and create tags with the [tag management API][tm], which functions very similarly // to the commit lookup, parsing and creation methods, since the objects themselves are very similar. // [tm]: http://libgit2.github.com/libgit2/#HEAD/group/tag printf("\n*Tag Parsing*\n"); git_tag *tag; const char *tmessage, *tname; git_otype ttype; // We create an oid for the tag object if we know the SHA and look it up in the repository the same // way that we would a commit (or any other) object. git_oid_fromstr(&oid, "bc422d45275aca289c51d79830b45cecebff7c3a"); error = git_tag_lookup(&tag, repo, &oid); // Now that we have the tag object, we can extract the information it generally contains: the target // (usually a commit object), the type of the target object (usually 'commit'), the name ('v1.0'), // the tagger (a git_signature - name, email, timestamp), and the tag message. git_tag_target((git_object **)&commit, tag); tname = git_tag_name(tag); // "test" ttype = git_tag_type(tag); // GIT_OBJ_COMMIT (otype enum) tmessage = git_tag_message(tag); // "tag message\n" printf("Tag Message: %s\n", tmessage); git_commit_free(commit); // #### Tree Parsing // [Tree parsing][tp] is a bit different than the other objects, in that we have a subtype which is the // tree entry. This is not an actual object type in Git, but a useful structure for parsing and // traversing tree entries. // // [tp]: http://libgit2.github.com/libgit2/#HEAD/group/tree printf("\n*Tree Parsing*\n"); const git_tree_entry *entry; git_object *objt; // Create the oid and lookup the tree object just like the other objects. git_oid_fromstr(&oid, "2a741c18ac5ff082a7caaec6e74db3075a1906b5"); git_tree_lookup(&tree, repo, &oid); // Getting the count of entries in the tree so you can iterate over them if you want to. int cnt = git_tree_entrycount(tree); // 3 printf("tree entries: %d\n", cnt); entry = git_tree_entry_byindex(tree, 0); printf("Entry name: %s\n", git_tree_entry_name(entry)); // "hello.c" // You can also access tree entries by name if you know the name of the entry you're looking for. entry = git_tree_entry_byname(tree, "hello.c"); git_tree_entry_name(entry); // "hello.c" // Once you have the entry object, you can access the content or subtree (or commit, in the case // of submodules) that it points to. You can also get the mode if you want. git_tree_entry_to_object(&objt, repo, entry); // blob // Remember to close the looked-up object once you are done using it git_object_free(objt); // #### Blob Parsing // // The last object type is the simplest and requires the least parsing help. Blobs are just file // contents and can contain anything, there is no structure to it. The main advantage to using the // [simple blob api][ba] is that when you're creating blobs you don't have to calculate the size // of the content. There is also a helper for reading a file from disk and writing it to the db and // getting the oid back so you don't have to do all those steps yourself. // // [ba]: http://libgit2.github.com/libgit2/#HEAD/group/blob printf("\n*Blob Parsing*\n"); git_blob *blob; git_oid_fromstr(&oid, "af7574ea73f7b166f869ef1a39be126d9a186ae0"); git_blob_lookup(&blob, repo, &oid); // You can access a buffer with the raw contents of the blob directly. // Note that this buffer may not be contain ASCII data for certain blobs (e.g. binary files): // do not consider the buffer a NULL-terminated string, and use the `git_blob_rawsize` attribute to // find out its exact size in bytes printf("Blob Size: %ld\n", git_blob_rawsize(blob)); // 8 git_blob_rawcontent(blob); // "content" // ### Revwalking // // The libgit2 [revision walking api][rw] provides methods to traverse the directed graph created // by the parent pointers of the commit objects. Since all commits point back to the commit that // came directly before them, you can walk this parentage as a graph and find all the commits that // were ancestors of (reachable from) a given starting point. This can allow you to create `git log` // type functionality. // // [rw]: http://libgit2.github.com/libgit2/#HEAD/group/revwalk printf("\n*Revwalking*\n"); git_revwalk *walk; git_commit *wcommit; git_oid_fromstr(&oid, "f0877d0b841d75172ec404fc9370173dfffc20d1"); // To use the revwalker, create a new walker, tell it how you want to sort the output and then push // one or more starting points onto the walker. If you want to emulate the output of `git log` you // would push the SHA of the commit that HEAD points to into the walker and then start traversing them. // You can also 'hide' commits that you want to stop at or not see any of their ancestors. So if you // want to emulate `git log branch1..branch2`, you would push the oid of `branch2` and hide the oid // of `branch1`. git_revwalk_new(&walk, repo); git_revwalk_sorting(walk, GIT_SORT_TOPOLOGICAL | GIT_SORT_REVERSE); git_revwalk_push(walk, &oid); const git_signature *cauth; const char *cmsg; // Now that we have the starting point pushed onto the walker, we can start asking for ancestors. It // will return them in the sorting order we asked for as commit oids. // We can then lookup and parse the commited pointed at by the returned OID; // note that this operation is specially fast since the raw contents of the commit object will // be cached in memory while ((git_revwalk_next(&oid, walk)) == 0) { error = git_commit_lookup(&wcommit, repo, &oid); cmsg = git_commit_message(wcommit); cauth = git_commit_author(wcommit); printf("%s (%s)\n", cmsg, cauth->email); git_commit_free(wcommit); } // Like the other objects, be sure to free the revwalker when you're done to prevent memory leaks. // Also, make sure that the repository being walked it not deallocated while the walk is in // progress, or it will result in undefined behavior git_revwalk_free(walk); // ### Index File Manipulation // // The [index file API][gi] allows you to read, traverse, update and write the Git index file // (sometimes thought of as the staging area). // // [gi]: http://libgit2.github.com/libgit2/#HEAD/group/index printf("\n*Index Walking*\n"); git_index *index; unsigned int i, ecount; // You can either open the index from the standard location in an open repository, as we're doing // here, or you can open and manipulate any index file with `git_index_open_bare()`. The index // for the repository will be located and loaded from disk. git_repository_index(&index, repo); // For each entry in the index, you can get a bunch of information including the SHA (oid), path // and mode which map to the tree objects that are written out. It also has filesystem properties // to help determine what to inspect for changes (ctime, mtime, dev, ino, uid, gid, file_size and flags) // All these properties are exported publicly in the `git_index_entry` struct ecount = git_index_entrycount(index); for (i = 0; i < ecount; ++i) { git_index_entry *e = git_index_get(index, i); printf("path: %s\n", e->path); printf("mtime: %d\n", (int)e->mtime.seconds); printf("fs: %d\n", (int)e->file_size); } git_index_free(index); // ### References // // The [reference API][ref] allows you to list, resolve, create and update references such as // branches, tags and remote references (everything in the .git/refs directory). // // [ref]: http://libgit2.github.com/libgit2/#HEAD/group/reference printf("\n*Reference Listing*\n"); // Here we will implement something like `git for-each-ref` simply listing out all available // references and the object SHA they resolve to. git_strarray ref_list; git_reference_list(&ref_list, repo, GIT_REF_LISTALL); const char *refname; git_reference *ref; // Now that we have the list of reference names, we can lookup each ref one at a time and // resolve them to the SHA, then print both values out. for (i = 0; i < ref_list.count; ++i) { refname = ref_list.strings[i]; git_reference_lookup(&ref, repo, refname); switch (git_reference_type(ref)) { case GIT_REF_OID: git_oid_fmt(out, git_reference_oid(ref)); printf("%s [%s]\n", refname, out); break; case GIT_REF_SYMBOLIC: printf("%s => %s\n", refname, git_reference_target(ref)); break; default: fprintf(stderr, "Unexpected reference type\n"); exit(1); } } git_strarray_free(&ref_list); // ### Config Files // // The [config API][config] allows you to list and updatee config values in // any of the accessible config file locations (system, global, local). // // [config]: http://libgit2.github.com/libgit2/#HEAD/group/config printf("\n*Config Listing*\n"); const char *email; int32_t j; git_config *cfg; // Open a config object so we can read global values from it. git_config_open_ondisk(&cfg, "~/.gitconfig"); git_config_get_int32(cfg, "help.autocorrect", &j); printf("Autocorrect: %d\n", j); git_config_get_string(cfg, "user.email", &email); printf("Email: %s\n", email); // Finally, when you're done with the repository, you can free it as well. git_repository_free(repo); return 0; }
static int write_index(git_oid *oid, git_index *index, const char *base, int baselen, int entry_no, int maxentries) { size_t size, offset; char *buffer; int nr, error; /* Guess at some random initial size */ size = maxentries * 40; buffer = git__malloc(size); if (buffer == NULL) return GIT_ENOMEM; offset = 0; for (nr = entry_no; nr < maxentries; ++nr) { git_index_entry *entry = git_index_get(index, nr); const char *pathname = entry->path, *filename, *dirname; int pathlen = strlen(pathname), entrylen; unsigned int write_mode; git_oid subtree_oid; git_oid *write_oid; /* Did we hit the end of the directory? Return how many we wrote */ if (baselen >= pathlen || memcmp(base, pathname, baselen) != 0) break; /* Do we have _further_ subdirectories? */ filename = pathname + baselen; dirname = strchr(filename, '/'); write_oid = &entry->oid; write_mode = entry->mode; if (dirname) { int subdir_written; #if 0 if (entry->mode != S_IFDIR) { free(buffer); return GIT_EOBJCORRUPTED; } #endif subdir_written = write_index(&subtree_oid, index, pathname, dirname - pathname + 1, nr, maxentries); if (subdir_written < GIT_SUCCESS) { free(buffer); return subdir_written; } nr = subdir_written - 1; /* Now we need to write out the directory entry into this tree.. */ pathlen = dirname - pathname; write_oid = &subtree_oid; write_mode = S_IFDIR; } entrylen = pathlen - baselen; if (offset + entrylen + 32 > size) { size = alloc_nr(offset + entrylen + 32); buffer = git__realloc(buffer, size); if (buffer == NULL) return GIT_ENOMEM; } offset += write_index_entry(buffer + offset, write_mode, filename, entrylen, write_oid); } error = git_odb_write(oid, index->repository->db, buffer, offset, GIT_OBJ_TREE); free(buffer); return (error == GIT_SUCCESS) ? nr : error; }
int cmd_checkout(int argc, const char **argv) { /* Delete the following line once gits tests pass please_git_do_it_for_me(); if (argc != 1) please_git_do_it_for_me(); */ git_index *index; git_repository *repo; git_index_entry *index_entry; git_oid id; /* Open the repository */ if (git_repository_open(&repo, ".git")) { libgit_error(); } /* Get the Index file of a Git repository */ if (git_repository_index(&index,repo)) { libgit_error(); } /* Find the first index of any entries which point to given path in the Git index */ if (git_index_find (index, ".git")) { libgit_error(); } int i = 0; /* get a pointer to one of the entries in the index */ index_entry = git_index_get(index, i); if (index_entry == NULL) printf("Out of bound"); else id = index_entry->oid; (void)id; git_reference *symbolic_ref; if (git_reference_lookup(&symbolic_ref, repo, "HEAD")) libgit_error(); git_reference *direct_ref; if (git_reference_resolve(&direct_ref, symbolic_ref)) libgit_error(); const git_oid *oid; oid = git_reference_oid(direct_ref); if (oid == NULL) { printf("Internal error: reference is not direct\n"); return EXIT_FAILURE; } git_tree *tree; /* Lookup a tree object from the repository */ if (git_tree_lookup(&tree, repo, oid)) libgit_error(); /* Update the index ?? */ if (git_index_read(index)) libgit_error(); git_index_free(index); git_tree_close(tree); return EXIT_SUCCESS; }
static int write_tree(git_oid *oid, git_index *index, const char *dirname, unsigned int start) { git_treebuilder *bld = NULL; unsigned int i, entries = git_index_entrycount(index); int error; size_t dirname_len = strlen(dirname); const git_tree_cache *cache; cache = git_tree_cache_get(index->tree, dirname); if (cache != NULL && cache->entries >= 0){ git_oid_cpy(oid, &cache->oid); return find_next_dir(dirname, index, start); } error = git_treebuilder_create(&bld, NULL); if (bld == NULL) { return GIT_ENOMEM; } /* * This loop is unfortunate, but necessary. The index doesn't have * any directores, so we need to handle that manually, and we * need to keep track of the current position. */ for (i = start; i < entries; ++i) { git_index_entry *entry = git_index_get(index, i); char *filename, *next_slash; /* * If we've left our (sub)tree, exit the loop and return. The * first check is an early out (and security for the * third). The second check is a simple prefix comparison. The * third check catches situations where there is a directory * win32/sys and a file win32mmap.c. Without it, the following * code believes there is a file win32/mmap.c */ if (strlen(entry->path) < dirname_len || memcmp(entry->path, dirname, dirname_len) || (dirname_len > 0 && entry->path[dirname_len] != '/')) { break; } filename = entry->path + dirname_len; if (*filename == '/') filename++; next_slash = strchr(filename, '/'); if (next_slash) { git_oid sub_oid; int written; char *subdir, *last_comp; subdir = git__strndup(entry->path, next_slash - entry->path); if (subdir == NULL) { error = GIT_ENOMEM; goto cleanup; } /* Write out the subtree */ written = write_tree(&sub_oid, index, subdir, i); if (written < 0) { error = git__rethrow(written, "Failed to write subtree %s", subdir); } else { i = written - 1; /* -1 because of the loop increment */ } /* * We need to figure out what we want toinsert * into this tree. If we're traversing * deps/zlib/, then we only want to write * 'zlib' into the tree. */ last_comp = strrchr(subdir, '/'); if (last_comp) { last_comp++; /* Get rid of the '/' */ } else { last_comp = subdir; } error = append_entry(bld, last_comp, &sub_oid, S_IFDIR); free(subdir); if (error < GIT_SUCCESS) { error = git__rethrow(error, "Failed to insert dir"); goto cleanup; } } else { error = append_entry(bld, filename, &entry->oid, entry->mode); if (error < GIT_SUCCESS) { error = git__rethrow(error, "Failed to insert file"); } } } error = git_treebuilder_write(oid, index->repository, bld); if (error < GIT_SUCCESS) error = git__rethrow(error, "Failed to write tree to db"); cleanup: git_treebuilder_free(bld); if (error < GIT_SUCCESS) return error; else return i; }